<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card class="box-card">
      <!-- 
            gutter:代表每一列的空隙
            span：代表每一列所占的宽度
         -->
      <el-row :gutter="15">
        <el-col :span="7">
          <el-input
            placeholder="请输入内容"
            clearable
            @clear="getUserList"
            v-model="queryInfo.query"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>

      <!-- 用户列表 -->
      <el-table border stripe :data="userList" style="width: 100%">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column
          label="姓名"
          prop="username"
          width="180"
        ></el-table-column>
        <el-table-column
          label="邮箱"
          prop="email"
          width="180"
        ></el-table-column>
        <el-table-column
          label="电话"
          prop="mobile"
          width="180"
        ></el-table-column>
        <el-table-column
          label="角色"
          prop="role_name"
          width="180"
        ></el-table-column>

        <el-table-column label="状态" width="100">
          <!-- 作用于插槽获取当前行信息 -->
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChanged(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>

        <el-table-column label="操作" prop="" width="180">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-tooltip
              :enterable="false"
              effect="dark"
              content="修改"
              placement="top"
            >
              <el-button
                @click="showeditDialog(scope.row.id)"
                type="primary"
                icon="el-icon-edit"
                size="mini"
              ></el-button>
            </el-tooltip>

            <!-- 删除按钮 -->
            <el-tooltip
              :enterable="false"
              effect="dark"
              content="删除"
              placement="top"
            >
              <el-button
                @click="removeUserById(scope.row.id)"
                type="danger"
                icon="el-icon-delete"
                size="mini"
              ></el-button>
            </el-tooltip>

            <!-- 分配角色按钮 -->
            <el-tooltip
              :enterable="false"
              effect="dark"
              content="分配角色"
              placement="top"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <!-- @size-change="handleSizeChange" : 点击总页数触发的函数 -->
      <!-- @current-change="handleCurrentChange" ： 点击页码跳转触发的函数 -->
      <!-- :current-page="currentPage4" :当前显示第几页的数据 -->
      <!-- :page-size ： 当前每页显示多少条数据 -->
      <!-- :total ：总共有多少条数据  -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 3, 4]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      @close="addDialogClose"
      :visible.sync="addDialogVisible"
      width="30%"
    >
      <!-- 内容主题区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input type="password" v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editdialogVisible"
      @close="editdialogClose"
      width="50%"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editdialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色的对话框  -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClose"
    >
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>


5
<script>
export default {
  name: 'user',
  data() {
    // 定义自定义验证规则
    var checkEmail = (rules, value, cb) => {
      const regEmail =
        /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
      if (regEmail.test(value)) {
        return cb();
      }

      cb(new Error('请输入合法的邮箱'));
    };
    var checkMobile = (rules, value, cb) => {
      const regMobile = /^1[3|4|5|7|8][0-9]{9}$/;
      if (regMobile.test(value)) {
        return cb();
      }

      cb(new Error('请输入合法的手机号'));
    };
    return {
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        pagesize: 4,
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据对象
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个之间',
            trigger: 'blur',
          },
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6-15个之间',
            trigger: 'blur',
          },
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      // 控制修改用户对话框的现实与隐藏
      editdialogVisible: false,
      // 查询到的用户信息
      editForm: {},
      // 定义修改用户对话框的表单验证
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' },
        ],
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有觉得的数据列表
      rolesList: [],
      // 已选中的角色ID值
      selectedRoleId: '',
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    // 搜索按钮
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        this.$message.error('获取用户列表失败！');
      } else {
        this.userList = res.data.users;
        this.total = res.data.total;
      }
    },
    // 监听pagesize改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    // 监听页码改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    // 监听switch状态的改变
    async userStateChanged(userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error('更新用户状态失败');
      }
      this.$message.success('更新用户状态成功');
    },
    // 监听添加用户对话框的关闭事件
    addDialogClose() {
      // 重置对话框所有数据
      this.$refs.addFormRef.resetFields();
    },
    // 点击对话框确定按钮 进行表单的预校验
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return;
        // 如果预验证成功、就可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm);
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败');
          console.log(res);
        } else {
          this.$message.success('添加用户成功');
          this.addDialogVisible = false;
          this.getUserList();
        }
      });
    },
    // 展示用户编辑的对话框
    async showeditDialog(id) {
      const { data: res } = await this.$http.get('users/' + id);
      if (res.meta.status !== 200) {
        console.log(res);
        return this.$message.error('查询用户信息失败');
      } else {
        this.editForm = res.data;
        this.editdialogVisible = true;
      }
    },
    // 监听修改用户对话框的关闭事件
    editdialogClose() {
      this.$refs.editFormRef.resetFields();
    },
    // 修改用户信息并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return;
        //发起修改用户信息都数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败');
        }

        // 关闭对话框
        this.editdialogVisible = false;
        // 刷新数据列表
        this.getUserList();
        // 提示修改成功
        this.$message.success('更新用户信息成功');
      });
    },
    // 点击删除触发的函数
    async removeUserById(rowId) {
      //  弹框提示
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch(err => err);

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除');
      }

      const { data: res } = await this.$http.delete('users/' + rowId);

      if (res.mata.status !== 200) {
        this.$message.error('删除用户失败');
      } else {
        this.$message.success('删除用户成功');
        this.getUserList();
      }
    },
    // 分配角色按钮
    async setRole(userInfo) {
      this.userInfo = userInfo;
      // 在展示对话框前，获取所有的角色的列表
      const { data: res } = await this.$http.get('roles');
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败');
      }

      this.rolesList = res.data;
      this.setRoleDialogVisible = true;
    },
    // 点击按钮 分配角色
    async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色!');
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId,
        }
      );

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败');
      }

      this.$message.success('更新角色成功');
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClose(){
      this.selectedRoleId = ''
      this.userInfo = ''
    }
  },
};
</script>

<style>
</style>